| corsix.org
The AArch64 FEAT_CSSC (Common Short Sequence Compression) extension adds a few instructions operating on general purpose registers. The extension is optional since Armv8.7, and mandatory since Armv8.9 if FEAT_AdvSIMD is implemented. The most interesting addition is a popcnt instruction operating on general purpose registers, but the full list of new instructions is:| www.corsix.org
Computing the CRC-32C of a 4KB buffer on a modern x86 chip can be done as a simple loop around the crc32 instruction:| www.corsix.org